<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script type="text/javascript">
			var s,i;
			for(s=0,i=1;i<=100;s=s+i,i++){}
			document.write("<h1>"+s+"</h1>");
		</script>
	</body>
</html>
